664972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 1548288

約数和(自身を除く): 883316

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 127, 154, 187, 238, 254, 308, 374, 476, 508, 748, 889, 1309, 1397, 1778, 2159, 2618, 2794, 3556, 4318, 5236, 5588, 8636, 9779, 15113, 19558, 23749, 30226, 39116, 47498, 60452, 94996, 166243, 332486, 664972]

約数ペア:

[(1, 664972), (2, 332486), (4, 166243), (7, 94996), (11, 60452), (14, 47498), (17, 39116), (22, 30226), (28, 23749), (34, 19558), (44, 15113), (68, 9779), (77, 8636), (119, 5588), (127, 5236), (154, 4318), (187, 3556), (238, 2794), (254, 2618), (308, 2159), (374, 1778), (476, 1397), (508, 1309), (748, 889)]